The Shimano 105 5800 chainset features a four-arm Hollowtech II design similar to that of current Ultegra and Dura-Ace models. It's stiffer and lighter than its predecessor and Shimano has reinforced construction around the chainring area to further improve the stiffness to weight ratio. Lightweight HollowTech II 105 11-speed chainset Innovative HollowTech forged and anodised aluminium crank arms utilise a hollow design that minimises flex and keeps the weight low The chainring teeth have been developed to work in conjunction with HG-X 11-speed chains for increased contact to provide greater efficiency and improved power transfer HollowTech II allows the bottom bracket bearings to be spaced wider apart, enabling the use of larger bearings and an increased axle diameter Can be used with Shimano external or press-fit bottom brackets The system allows for easier installation, adjustment, and maintenance Lightweight anodised SG-X aluminium chainrings for smooth and precise shifting
|105 5800 11 Speed Double Chainset Specification|
|Chainsets Type||11 speed, Double Chainring|
|Retailer||Chain Reaction Cycles|
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Shimano are a Japanese manufacturer primarily known for their cycling components, and to a lesser extent shoes and clothing. Founded in 1921, Shimano is widely believed to be the largest cycling component manufacturer in the world, having reached this status through a combination of innovation, reliability and value for money. Whatever your style of riding, whether it be road or MTB, Shimano will have a component range to suit your level and budget, from the low end Alivio and Tiagra to the professional standard XTR and Dura-Ace. Over the years, Shimano have revolutionised bicycle gear, brake and pedal systems, such as the recessed SPD, Hollowtech crank arms and smooth shifting Hyperglide sprockets. Initially their component range faced competition from Suntour, whereas nowadays their primary rivals for market share are SRAM and Campagnolo. If you wish to save money on their components and apparel, please visit my Shimano section, where I list as many money saving deals as I can find.
For additional information on Shimano's cycling equipment, please visit either http://cycle.shimano-europe.com/ or their wikipedia page - this includes information on Shimano's history, including non-cycling equipment.
This product is for sale at Chain Reaction Cycles, one of the largest online cycle shops in the world. Opening in 1985, and starting off as a small independent bike shop in Ballynure, it moved to Ballyclare in 1989 and is now based in Doagh (all in Northern Ireland)... For more details on CRC, visit my Chain Reaction Cycles section.